#! /bin/bash
# This script tests: bmptopnm ppmtobmp
# Also requires: 

  alias bmptopnm="${PBM_TESTPREFIX}bmptopnm"
  alias ppmtobmp="${PBM_TESTPREFIX}ppmtobmp"
  shopt -s expand_aliases

ppmtobmp testimg.ppm | bmptopnm | cksum
ppmtobmp testgrid.pbm | bmptopnm | cksum